Highly-Stretchable Biomechanical Strain Sensor using Printed Liquid Metal Paste. - Callen Votzke; Uranbileg Daalkhaijav; Yigit Mengüç; Matthew L. Johnston (BioCAS, 2018)

A 20 μ W, 0.05mm2 Duty-Cycled Resistor and Frequency-Locked-Loop-based Wheatstone Bridge Interface for Low Resistance Sensing Systems. - Jinyong Kim; Callen Votzke; Soumya Bose; Arun Natarajan 001; Matthew L. Johnston (CICC, 2021)

Towards Intelligent Fruit Picking with In-hand Sensing. - Lisa M. Dischinger; Miranda Cravetz; Jacob Dawes; Callen Votzke; Chelse VanAtter; Matthew L. Johnston; Cindy M. Grimm; Joseph R. Davidson (IROS, 2021)

Self-Sensing, Stretchable, Active Circuit Arrays: Liquid Metal Paste as a Combination Interconnect and Strain Sensor. - Callen Votzke; Yigit Mengüç; Matthew L. Johnston (RoboSoft, 2022)

Modular Sensor Integration into Soft Robots using Stretchable Wires for Nuclear Infrastructure Inspection and Radiation Spectroscopy. - Calder Wilson; Joseph Karam; Callen Votzke; Farhan Rozaidi; Camille J. Palmer; Ross L. Hatton; Matthew L. Johnston (RoboSoft, 2023)